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Extract from the Register of European Patents

EP About this file: EP0269231

EP0269231 - Recovery of heavy oil [Right-click to bookmark this link]
StatusThe application is deemed to be withdrawn
Status updated on  31.10.1990
Database last updated on 14.09.2024
Most recent event   Tooltip07.07.2007Change - inventorpublished on 08.08.2007  [2007/32]
Applicant(s)For all designated states
The British Petroleum Company p.l.c.
Britannic House Moor Lane
London EC2Y 9BU / GB
[N/P]
Former [1988/22]For all designated states
The British Petroleum Company p.l.c.
Britannic House Moor Lane
London EC2Y 9BU / GB
Inventor(s)01 / Stockwell, Alan
The british Petroleum Company p.l.c. Chertsey Road
Sunbury-on-Thames Middlesex TW16 7LN / GB
02 / Taylor, Alisatair Stewart
The british Petroleum Company p.l.c. Chertsey Road
Sunbury-on-Thames Middlesex TW16 7LN / GB
[1988/22]
Representative(s)MacLeod, Malcolm, et al
BP INTERNATIONAL LIMITED Patents Division Chertsey Road Sunbury-on-Thames
Middlesex TW16 7LN / GB
[N/P]
Former [1988/22]MacLeod, Malcolm, et al
BP INTERNATIONAL LIMITED Patents Division Chertsey Road
Sunbury-on-Thames Middlesex TW16 7LN / GB
Application number, filing date87308937.908.10.1987
[1988/22]
Priority number, dateGB1986002593330.10.1986         Original published format: GB 8625933
[1988/22]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report 
No.:EP0269231
Date:01.06.1988
Language:EN
[1988/22]
Search report(s)(Supplementary) European search report - dispatched on:EP10.03.1988
ClassificationIPC:C10G1/04, C10C3/08
[1988/22]
CPC:
C10G1/00 (EP); C10C3/007 (EP); C10G1/04 (EP)
Designated contracting statesDE,   FR,   GB,   IT [1988/22]
TitleGerman:Gewinnung von Schweröl[1988/22]
English:Recovery of heavy oil[1988/22]
French:Récupération d'huile lourde[1988/22]
File destroyed:27.06.1996
Examination procedure29.11.1988Examination requested  [1989/04]
10.07.1989Despatch of a communication from the examining division (Time limit: M04)
08.11.1989Reply to a communication from the examining division
25.01.1990Despatch of a communication from the examining division (Time limit: M04)
11.07.1990Despatch of communication that the application is deemed to be withdrawn, reason: reply to the communication from the examining division not received in time  [1990/51]
26.09.1990Application deemed to be withdrawn, date of legal effect  [1990/51]
Fees paidRenewal fee
11.09.1989Renewal fee patent year 03
03.09.1990Renewal fee patent year 04
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Documents cited:SearchUS4409091  [ ];
 US4549935  [ ]
The EPO accepts no responsibility for the accuracy of data originating from other authorities; in particular, it does not guarantee that it is complete, up to date or fit for specific purposes.